A police dog helps to track down two payroll robbers.
| Actor | Role |
|---|---|
 Rin-Tin-TinRinty | Rinty |
 Lane ChandlerCal Morton | Cal Morton |
 Jobyna RalstonMary | Mary |
 Edmund BreeseCaptain Thomas | Captain Thomas |
 Walter MillerMorris | Morris |
 William IrvingBill | Bill |
| GGeorge RigonFred | Fred |
 Richard AlexanderLittle | Little |
| SSkeets NoyesDavis | Davis |